INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Interest Income (Expense), Net [Abstract]
Interest expense	$ 69.6	$ 59.2	$ 137.0	$ 98.9
Foreign exchange (gains) losses, net of derivative contracts	(6.9)	(0.1)	(5.9)	1.2
Interest income	(2.4)	(1.2)	(4.4)	(1.8)
Total interest expense, net	$ 60.3	$ 57.9	$ 126.7	$ 98.3